Translations:Adventist Youth Honors Answer Book/Outdoor Industries/Dairying/30/en
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Milking machines keep the milk enclosed and safe from external contamination. The interior 'milk contact' surfaces of the machine are kept clean by a manual or automated washing procedure implemented after milking is completed. Milk contact surfaces must comply with regulations requiring food grade materials (typically stainless steel and special plastics and rubber compounds) and are easily cleaned.
